:root{--sat: env(safe-area-inset-top);--sab: env(safe-area-inset-bottom);--sal: env(safe-area-inset-left);--sar: env(safe-area-inset-right);--ally:#39a7ff;--foe:#ff4d5a;--gold:#ffcf4d;--ok:#54e08a}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;overflow:hidden;background:#05070d}body{font-family:Bahnschrift,Hiragino Kaku Gothic ProN,Yu Gothic,system-ui,sans-serif;color:#e8f1ff;-webkit-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent;overscroll-behavior:none;touch-action:manipulation}#app{position:fixed;inset:0;touch-action:none}#app canvas{display:block;width:100%;height:100%}.hidden{display:none!important}#hud{position:fixed;inset:0;pointer-events:none;z-index:10}#costRow{position:absolute;left:0;right:0;top:calc(6px + var(--sat));display:flex;align-items:center;justify-content:center;gap:10px;padding:0 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12px;justify-content:center;max-width:440px;font-size:10px;opacity:.45}.keys b{width:100%;letter-spacing:.2em;margin-bottom:2px}#result h2{font-size:clamp(36px,12vw,80px);margin:0 0 26px;letter-spacing:.2em;font-weight:800}#result h2.win{color:var(--gold);text-shadow:0 0 30px rgba(255,200,80,.6)}#result h2.lose{color:var(--foe);text-shadow:0 0 30px rgba(255,80,90,.55)}@media(max-width:560px){#gate h1{font-size:clamp(22px,6vw,34px)}#gate .sub{margin:8px 0 14px}.mp{width:66px;min-height:46px;padding:6px 3px 5px}.mp .mpName{font-size:11px}#mechInfo{min-height:0;padding:8px 10px;margin-bottom:12px}#mechInfo .miMoves{grid-template-columns:1fr 1fr;font-size:9px}#lvPick{margin-bottom:16px}#modePick{margin-bottom:12px}.md{padding:9px 18px;font-size:12px}#netPick{margin-bottom:14px}#roomCode{font-size:46px}#codeInput{font-size:32px;width:190px}#startBtn{padding:12px 38px;font-size:15px}.keys{display:none}#selfPanel{width:58vw;bottom:calc(208px + 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